ExtendStorageStub added, it is aimed for extending objects backing store when it runs out of space.

src/ic/ic.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_IC_H_
 #define V8_IC_H_
 
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 
 // IC_UTIL_LIST defines all utility functions called from generated
 // inline caching code. The argument for the macro, ICU, is the function name.
 #define IC_UTIL_LIST(ICU)              \
   ICU(LoadIC_Miss)                     \
   ICU(KeyedLoadIC_Miss)                \
   ICU(CallIC_Miss)                     \
   ICU(CallIC_Customization_Miss)       \
   ICU(StoreIC_Miss)                    \
   ICU(StoreIC_Slow)                    \
-  ICU(SharedStoreIC_ExtendStorage)     \
   ICU(KeyedStoreIC_Miss)               \
   ICU(KeyedStoreIC_Slow)               \
   /* Utilities for IC stubs. */        \
   ICU(StoreCallbackProperty)           \
   ICU(LoadPropertyWithInterceptorOnly) \
   ICU(LoadPropertyWithInterceptor)     \
   ICU(LoadElementWithInterceptor)      \
   ICU(StorePropertyWithInterceptor)    \
   ICU(CompareIC_Miss)                  \
   ICU(BinaryOpIC_Miss)                 \
@@ skipping 678 matching lines @@
 
 // Support functions for interceptor handlers.
 DECLARE_RUNTIME_FUNCTION(LoadPropertyWithInterceptorOnly);
 DECLARE_RUNTIME_FUNCTION(LoadPropertyWithInterceptor);
 DECLARE_RUNTIME_FUNCTION(LoadElementWithInterceptor);
 DECLARE_RUNTIME_FUNCTION(StorePropertyWithInterceptor);
 }
 }  // namespace v8::internal
 
 #endif  // V8_IC_H_